25472784 has 40 divisors (see below), whose sum is σ = 65988832. Its totient is φ = 8467200.

The previous prime is 25472773. The next prime is 25472789. The reversal of 25472784 is 48727452.

It is not an unprimeable number, because it can be changed into a prime (25472789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28407 + ... + 29289.

Almost surely, 2^25472784 is an apocalyptic number.

25472784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25472784 is an abundant number, since it is smaller than the sum of its proper divisors (40516048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25472784 is a wasteful number, since it uses less digits than its factorization.

25472784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1489 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 25472784 is about 5047.0569642119. The cubic root of 25472784 is about 294.2335134015.

The spelling of 25472784 in words is "twenty-five million, four hundred seventy-two thousand, seven hundred eighty-four".